6AV6643-0CB01-1AX2 亿佳精选
6AV6643-0CB01-1AX2 亿佳精选
传统的电镀抑制副作用的产生、改善电流分布、调节液相传质过程、控制结晶取向显得毫无作用,面对络合剂和添加剂的研究成了电镀工艺研究的主要方向。纳米开关电源解决了传统高频直流电源存在的缺陷。
电源变压器
电网提供的交流电一般为220V（或380V）。而电子设备所需要直流电压的幅值却各不相同。因此，常常需要将近电网电压先经过电源变压器，然后将变换以后的副边电压再去整流、滤波和稳压，后得到所需要的直流电压幅值。 二、整流电路
整流电路的作用是利用具有单向导电性能的整流元件，将正负交替的正弦交流电压整流成为单方向的脉动电压。但是，这种单向脉动电压往往包含着很大的脉动成分，距离理想的直流电压还差得很远。
三、滤波器
滤波器由电容、电感等储能元件组成。它的作用是尽可能地将单向脉动电压中的脉动成分滤掉，使输出电压成为比较平滑的直流电压。但是，当电网电压或负载电流发生变化时，滤波器出直流电压的幅值也将随之而变化，在要求比较高的电子设备中，这种情况是不符合要求的。
四、稳压电路
稳压电路的作用是采取某些措施，使输出的直流电压在电网电压或负载电流发生变化时保持稳定。
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